class A{
    double f(int x,int y){
	return x+y;
    }
    int f(int x,int y){
	return x*y;
    }
}
public class E3{
    public static void main(String s[]){
	A a = new A();
	System.out.println(a.f(10,10));
	System.out.println(a.f(10,10.0));
    }
}